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Function of the circuit
The field effect transistor drain saturation current IDSS and pinch-off voltage VP are very different, so it is very troublesome to determine th...[Details]
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IntroductionThe automobile industry has always been listed as a national pillar industry. In recent years, the domestic automobile industry has developed rapidly, and by 2009, it had exceeded th...[Details]
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At 9:30 today, Honor Mobile's official Weibo account announced that its Honor 20 series mobile phones will hold a press conference in London, UK on May 21 and in Shanghai on May 31. At 10:00, Re...[Details]
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The IEEE 802.15.4-2003 protocol specifies 27 communication channels: 1 at 868 MHz with a rate of 20 kbps; 10 at 915 MHz with a rate of 40 kbps; and 16 at 2.45 GHz with a rate of 250 khps. It suppor...[Details]
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0 Introduction
In order to solve the problem that many aviation equipment use different types of aviation buses and are difficult to be compatible with each other, modern aircraft avionics syst...[Details]
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LED has the advantages of small size, low power consumption, long life and environmental protection. In the actual production and research and development process, it is necessary to evaluate the rel...[Details]
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In the Math Channel Application Series 9, we introduced the process of calculating the theoretical MAF value. Today I want to use the relevant formula to calculate the actual MAF value of a turboch...[Details]
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1. Interrupt Mode 1. Interrupt reception. 1.1 First look at the process of interrupt reception (taking USART2 as an example) Find the interrupt vector in the startup file USART2_IRQHandler F...[Details]
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It was a happy day for many Apple fans, because they received the long-awaited AirPods 3 one after another. However, before they were happy enough, many users found problems: the AirPods 3 is divided...[Details]
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Save the following content as absacc.h: The reason is that the higher version of KEIL has been optimized and many previous library files have been removed, so users need to add them manually
#...[Details]
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1. Introduction This circuit consists of AT89C51 minimum system, LCD1602 liquid crystal display module and matrix keyboard module. 2. Implementation Effect 3. Partial Code /* S16 S12 S8 S4 are 12...[Details]
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Qualcomm Technologies, Inc., a subsidiary of Qualcomm Incorporated, today announced at the Augmented World Expo (AWE) that it will work with global operators, smartphone manufacturers and XR Viewer m...[Details]
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Traxcell Technologies LLC, a non-practicing entity, has filed a new lawsuit against Apple, claiming that Apple Maps infringes on a navigation patent. Traxcell filed a lawsuit back in January, alleg...[Details]
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1 Working Principle
This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer and adopts the MCS-51 assembly language to design a microwave pu...[Details]
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Both soft starter and step-down starter are devices used to start motors. They each have their own advantages and disadvantages and are suitable for different application scenarios. The following i...[Details]